package com.learning.demos;

import java.util.concurrent.BlockingQueue;
import java.util.concurrent.SynchronousQueue;
import java.util.concurrent.TimeUnit;

/**
 * @author adolphw
 *
 * 只存储一个元素的阻塞队列
 *
 * 同步阻塞队列
 *
 */
public class SynchronousQueueDemo {
    public static void main(String[] args) {

        BlockingQueue<String> blockingQueue = new SynchronousQueue<>();

        new Thread(() -> {

            try {
                System.out.println(Thread.currentThread().getName()+"\t put 1");
                blockingQueue.put("1");

                System.out.println(Thread.currentThread().getName()+"\t put 2");
                blockingQueue.put("2");

                System.out.println(Thread.currentThread().getName()+"\t put 3");
                blockingQueue.put("3");
            } catch (InterruptedException e) {
                e.printStackTrace();
            }

        }, "aaa").start();

        new Thread(() -> {

            try {

                TimeUnit.SECONDS.sleep(5);
                System.out.println(Thread.currentThread().getName()+"\t take 1");
                blockingQueue.take();

                TimeUnit.SECONDS.sleep(5);
                System.out.println(Thread.currentThread().getName()+"\t take 2");
                blockingQueue.take();

                TimeUnit.SECONDS.sleep(5);
                System.out.println(Thread.currentThread().getName()+"\t take 3");
                blockingQueue.take();
            } catch (InterruptedException e) {
                e.printStackTrace();
            }

        }, "bbb").start();
    }
}
